#B571DD
Closest named color: Light Urple (#B36FF6). oklch(66.4% 0.168 311.7), rgb(181, 113, 221).
Aa
Black text reads best on this color (6.37:1).
About this color
#B571DD is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.168 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Urple (#B36FF6), ΔE 0.039 away. Black text reads best on it, at 6.37:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Light Urple (#B36FF6) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #B571DD |
| RGB | rgb(181, 113, 221) |
| HSL | hsl(278, 61%, 65%) |
| OKLCH | oklch(66.4% 0.168 311.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B571DD | 3.29:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #B571DD | 6.37:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #B571DD text on white | 3.29:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #B571DD text on black | 6.37:1 | AA | Lc -41.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1F0
oklch(88.5% 0.046 311.2)
-
Step 300
300
#D2B2E8
oklch(80.9% 0.082 311.3)
-
Step 400
400
#BC88DC
oklch(70.8% 0.131 311.8)
-
Step 500
500 (this color)
#B571DD
oklch(66.4% 0.168 311.7)
-
Step 600
600
#964BBF
oklch(55.6% 0.182 311.7)
-
Step 700
700
#803BA5
oklch(49.1% 0.17 311.7)
-
Step 800
800
#683285
oklch(42.7% 0.139 312)
-
Step 900
900
#542D6B
oklch(37.7% 0.109 311.3)
-
Step 950
950
#311B3F
oklch(27% 0.069 310.8)
#B571DD with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #578AE1 | 0.138 |
| Deuteranopia (no green cones) | #6B8FDA | 0.125 |
| Tritanopia (no blue cones) | #B1829D | 0.116 |
| Achromatopsia (no color) | #8E8E8E | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B571DD
#B571DD
oklch(66.4% 0.168 311.7)
- #6CA726
#6CA726
oklch(66.3% 0.167 131.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B571DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Urple #B36FF6 ΔE 0.039
- Light Purple #BF77F6 ΔE 0.041
- Easter Purple #C071FE ΔE 0.052
- Medium Purple #9370DB ΔE 0.057
- Medium Orchid #BA55D3 ΔE 0.057
- Wisteria #A87DC2 ΔE 0.058
- Soft Purple #A66FB5 ΔE 0.065
- Orchid #DA70D6 ΔE 0.066
Use #B571DD in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.